My friend got the official OTA 2.2 update a couple of days ago. Would this method work?
no...this method and oneclick rooting won't work on VZW Froyo...
seems like only rooting way for now is
push in su-2.3.6.1.x.zip file using by CWM2.5 method...
but, must(by my research) wipe all data and cache in the phone...
i'm still looking for rooting without erasing data.
If u still wanna push in su-2.3.6.1.x.zip, try
http://www.fascinateforums.com/forum/fascinate-rs-guides/2012-how-root-ed01-froyo.html